package com.yy.train.ticket.train.service;

import com.baomidou.mybatisplus.extension.service.IService;

import com.yy.train.ticket.train.entity.TtGradeEntity;

/**
 * 等级名称
 *
 * @author chenshun
 * @email sunlightcs@gmail.com
 * @date 2023-09-25 10:38:44
 */
public interface TtGradeService extends IService<TtGradeEntity> {


}

